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Method of reconstructing lost data in a digital voice transmission system and transmission system using said method

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G10L-005/00
출원번호 US-0212121 (1988-06-27)
우선권정보 GB-0430035 (1983-10-28)
발명자 / 주소
  • Callens Paul (Cagnes sur Mer FRX) Galand Claude (Cagnes sur Mer FRX) Platel Guy (Hameaux du Soleil FRX) Vermot-Gauchy Robert (Saint Paul FRX)
출원인 / 주소
  • International Business Machines Corp. (Armonk NY 02)
인용정보 피인용 횟수 : 78  인용 특허 : 5

초록

A method of reconstructing, at the receiving end, digital data defining an encoded voice signal segment lost in transmission between the transmitter and the receiver in a transmission system wherein a low-frequency signal such as a residual baseband signal is derived at the transmitting end from the

대표청구항

A method of reconstructing lost data in a digital voice transmission system wherein a low-frequency signal is derived at the transmitting end from the voice signal to be encoded and is then distributed among a plurality of sub-bands whose sampled contents are individually quantized, said method bein

이 특허에 인용된 특허 (5)

  1. Wang Bu-Chin (Santa Clara CA) Narayan Shankar S. (Woodland Hills CA), Apparatus and methods for coding, decoding, analyzing and synthesizing a signal.
  2. Jayant Nuggehally S. (Short Hills NJ) Schmidt Carolyn E. (Gillette NJ) Steele Raymond (Hazlet NJ), Error reduction speech communication system.
  3. Paulish Daniel J. (Downingtown PA) Meyerhoff Albert J. (Wynnewood PA) Nickett George R. (Warrington PA), Method and apparatus for interfacing stations in a multiloop communications system.
  4. Esteban Daniel J. (La Gaude FRX) Galand Claude R. (La Gaude FRX) Mauduit Daniel (Nice FRX) Menez Jean (Cagnes-sur-Mer FRX), Process for compressing data relative to voice signals and device applying said process.
  5. Beraud Jean-Paul (Saint-Laurent-du-Var NC FRX) Esteban Daniel J. (Raleigh NC) Galand Claude (Cagnes FRX), Speech coding method and device for implementing the improved method.

이 특허를 인용한 특허 (78)

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  4. Sharma,Raghu; Davis,Jeffrey P.; Gunn,Timothy D.; Maitra, legal representative,Anuradha; Maitra, deceased,Sidhartha, Computer implemented voice over data communication apparatus and method.
  5. Sharma,Raghu; Davis,Jeffrey P.; Maitra,Sidhartha; Gunn,Timothy D., Computer-based multi-media communications system and method.
  6. Caswell, Ty J.; Davis, Jeffrey P.; Johnson, Gregory R.; Reinarts, Timothy J.; Sun, Ting, Computer-based multifunctional personal communication system with caller ID.
  7. Malkamaki Esa (Espoo FIX) Ranta Pekka (Espoo FIX), Digital mobil E radio communication system.
  8. Henn, Fredrik; Kjorling, Kristofer; Liljeryd, Lars; Roden, Jonas; Engdegard, Jonas, Efficient and scalable parametric stereo coding for low bitrate audio coding applications.
  9. Zinser Richard L. ; Koch Steven R., Enhanced fading and random pattern error protection for dynamic bit allocation sub-band coding.
  10. Detlev Wiese DE; Robert Sedlmeyer DE, Error concealment in digital transmissions.
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  32. Kjoerling, Kristofer; Villemoes, Lars, Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks.
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  48. Begen, Ali C.; Ver Steeg, William C., Ratings and quality measurements for digital broadcast viewers.
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